Most kids, at one time or another in their childhood or adolescence, will need to take prescription medication to help treat symptoms of a condition or illness. As a parent, you’re the one who has to make sure that—as the old song goes—“the medicine goes down.”

“When negative thoughts about body image get so overwhelming and distressing that they interfere with a child’s or teen’s daily functioning, that should be a red flag that something more is going on,” says Dr. Holly Agostino, a specialist in Adolescent Medicine at the Montreal Children’s Hospital.